path trajectoire; trajectoire = (234.654,160.000)..(234.899,172.987)..(235.735,186.057)..(237.481,199.205)..(240.640,212.152) ..(245.569,224.153)..(251.909,234.350)..(258.796,242.511)..(265.584,248.951)..(271.985,254.062) ..(277.901,258.136)..(283.303,261.358)..(288.181,263.841)..(292.523,265.638)..(296.321,266.758) ..(299.587,267.190)..(302.347,266.927)..(304.633,265.961)..(306.476,264.288)..(307.910,261.906) ..(308.965,258.821)..(309.661,255.041)..(310.000,250.573)..(309.963,245.413)..(309.503,239.536) ..(308.534,232.900)..(306.908,225.442)..(304.378,217.103)..(300.537,207.898)..(294.829,198.100) ..(286.872,188.436)..(277.006,179.743)..(266.069,172.244)..(254.647,165.623)..(242.902,159.508) ..(230.674,153.679)..(217.456,148.208)..(202.279,144.104)..(185.530,144.473)..(170.886,149.306) ..(158.686,155.446)..(147.891,161.764)..(137.886,167.976)..(128.326,173.969)..(118.992,179.653) ..(109.736,184.926)..(100.466,189.662)..(91.141,193.713)..(81.783,196.918)..(72.483,199.130) ..(63.395,200.246)..(54.719,200.238)..(46.653,199.171)..(39.355,197.183)..(32.917,194.451) ..(27.370,191.158)..(22.696,187.465)..(18.846,183.501)..(15.764,179.363)..(13.388,175.121) ..(11.665,170.822)..(10.548,166.498)..(10.000,162.166)..(10.000,157.834)..(10.548,153.502) ..(11.665,149.178)..(13.388,144.879)..(15.764,140.637)..(18.846,136.499)..(22.696,132.535) ..(27.370,128.842)..(32.917,125.549)..(39.355,122.817)..(46.653,120.829)..(54.719,119.762) ..(63.395,119.754)..(72.483,120.870)..(81.783,123.082)..(91.141,126.287)..(100.466,130.338) ..(109.736,135.074)..(118.992,140.347)..(128.326,146.031)..(137.886,152.024)..(147.891,158.236) ..(158.686,164.554)..(170.886,170.694)..(185.530,175.527)..(202.279,175.896)..(217.456,171.792) ..(230.674,166.321)..(242.902,160.492)..(254.647,154.377)..(266.069,147.756)..(277.006,140.257) ..(286.872,131.564)..(294.829,121.900)..(300.537,112.102)..(304.378,102.897)..(306.908,94.558) ..(308.534,87.100)..(309.503,80.464)..(309.963,74.587)..(310.000,69.427)..(309.661,64.959) ..(308.965,61.179)..(307.910,58.094)..(306.476,55.712)..(304.633,54.039)..(302.347,53.073) ..(299.587,52.810)..(296.321,53.242)..(292.523,54.362)..(288.181,56.159)..(283.303,58.642) ..(277.901,61.864)..(271.985,65.938)..(265.584,71.049)..(258.796,77.489)..(251.909,85.650) ..(245.569,95.847)..(240.640,107.848)..(237.481,120.795)..(235.735,133.943)..(234.899,147.013) ..(234.654,160.000); b := 25; d := 125; beginfig(1); draw trajectoire withpen pencircle scaled 1pt withcolor 0.4white; for i:= b step b until d: draw (point i of trajectoire) withpen pencircle scaled 5pt withcolor blue; endfor; draw (point 0 of trajectoire) withpen pencircle scaled 5pt withcolor red; endfig; end